BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 360 45.6%
2 United States 189 24%
3 Netherlands 143 18.1%
4 Germany 46 5.8%
5 Russia 17 2.2%
6 Canada 16 2%
7 Egypt 5 0.6%
8 France 4 0.5%
9 India 3 0.4%
10 Singapore 2 0.3%
11 Ukraine 1 0.1%
12 United Kingdom 1 0.1%
13 Norway 1 0.1%
14 Australia 1 0.1%